About Us...

Dallas Polygraph Services
meets the growing demand for professionally conducted polygraph examinations and investigations sought by businesses, private individuals, and law enforcement agencies throughout North Texas. We work with you to get you the answers you need, quickly and discretely, with all testing conducted in compliance with all legal, ethical, and professional standards.

Professional Credentials
As a direct result of many years of professional training and expertise, Dallas Polygraph Services is proud to provide its clients with case management support and operational supervision for deterrence, prevention, lie detection and polygraph investigations.

Professional Staff
The examiners with Dallas Polygraph Services are all licensed polygraph professionals with many years of experience in lie detector testing, interviewing, investigations, and background screening. Our polygraph examiners attend regular continuing education courses to ensure they remain current in the latest polygraph and interviewing skills methodology.

Dallas Polygraph Services now offers polygraphs performed by a bilingual Spanish speaking polygraph examiner with JPCOT certification and experience performing more than 2,000 sex offender examinations.